Cor triatriatum sinistrum is an extremely rare congenital heart disease. It is even more uncommon in adults, and clinically significant mitral valve lesion complicating cor triatriatum is distinctly rare. Wong et al reported for the first time the rare combination of cor triatriatum sinister associated with severe mitral regurgitation and abnormal tensor apparatus of the mitral valve. We report a similar case and used the term Wong's anomaly for the syndrome, having membranous type of cor triatriatum sinistrum, severe mitral regurgitation and hypoplasia of the papillary muscles and short chordae. Color Doppler Echocardiography showed peculiar 'helmet sign' of mitral regurgitation, wherein the mitral regurgitation color jet fills the distal atrial chamber and abruptly ends in a horizontal plane as it is halted by the intra-atrial membrane.
a b s t r a c tPrimary cardiac neoplasms are very rare, with an incidence less than 0.2% in unselected patients at autopsy. Of these, cardiac myxomas are the most common benign cardiac tumors in the adult. Atrial myxomas are a rare source of coronary artery embolism. Coronary embolism as the first presentation of cardiac myxoma is extremely uncommon. We report a case of acute inferior wall ST elevation myocardial infarction (STEMI) caused by embolization of the tumor fragment from left atrial myxoma into the left circumflex coronary artery. The patient was successfully treated by percutaneous coronary intervention with catheter aspiration of the embolized tumor fragment followed by surgical excision of the tumor.
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